Keeping mum

Actor Isla Fisher fooled all her co-stars on the set of her new movie, Burke and Hare, as she successfully hid her pregnancy from them during the entire shoot.

Actor Isla Fisher fooled all her co-stars on the set of her new movie,

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Burke and Hare

, as she successfully hid her pregnancy from them during the entire shoot.

The Confessions of a Shopaholic

star and her husband, Sacha Baron Cohen, refused to confirm the actress was expecting her second child and reports about the birth only surfaced when they were spotted pushing a baby buggy around London in September.

The 34-year-old actress has now admitted she kept the news quiet during the filming of the movie.